Home / 1,322,964.99-1,984,339.71-424,164.69

Finding the Fourth Proportional to 1,322,964.99, 1,984,339.71 and 424,164.69

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Solution

The fourth proportional to 1,322,964.99, 1,984,339.71 and 424,164.69 is: 636,212.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,964.99 : 1,984,339.71 = 424,164.69 : x
  2. Step 2: Convert to fraction form
    1,322,964.99/1,984,339.71 = 424,164.69/x
  3. Step 3: Cross multiply
    1,322,964.99x = 1,984,339.71 × 424,164.69
  4. Step 4: Simplify right side
    1,322,964.99x = 841,686,837,946.84
  5. Step 5: Solve for x
    x = 841,686,837,946.84/1,322,964.99
  6. Step 6: Final answer
    x = 636,212.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.